:root {
  --navy: #1e3a8a;
  --navy-dark: #0f172a;
  --teal: #0f766e;
  --page: #f1f5f9;
  --surface: #ffffff;
  --text: #17233b;
  --muted: #52637a;
  --line: #dbe3ee;
  --warning-bg: #fff7ed;
  --warning-line: #ea580c;
}
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--page);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.65;
}

a {
  color: var(--navy);
}

a:hover {
  color: var(--teal);
}

.site-header {
  color: #fff;
  background: linear-gradient(145deg, var(--navy-dark), var(--navy) 65%, var(--teal));
  padding: 24px;
}

.header-inner,
.page-shell {
  width: min(920px, 100%);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.brand img {
  width: 34px;
  height: 34px;
  border-radius: 10px;
}

.hero {
  padding: 52px 0 36px;
}

.eyebrow {
  margin: 0 0 8px;
  color: #99f6e4;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  max-width: 760px;
  margin: 0 0 14px;
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.hero-copy {
  max-width: 720px;
  margin: 0;
  color: #dbeafe;
  font-size: 1.08rem;
}

.page-shell {
  padding: 32px 20px 64px;
}

.notice,
.card {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(30, 58, 138, 0.07);
}

.notice {
  padding: 20px 22px;
  border-left: 5px solid var(--teal);
}

.notice.warning {
  border-left-color: var(--warning-line);
  background: var(--warning-bg);
}

.notice p,
.card p:last-child,
.card ul:last-child,
.card ol:last-child {
  margin-bottom: 0;
}

.card {
  padding: 26px;
}

.card h2 {
  margin: 0 0 12px;
  color: var(--navy);
  font-size: 1.35rem;
  line-height: 1.25;
}

.card h3 {
  margin: 22px 0 8px;
  color: var(--teal);
  font-size: 1.05rem;
}

.card p,
.card ul,
.card ol {
  margin-top: 0;
  margin-bottom: 14px;
}

.card li + li {
  margin-top: 8px;
}

.steps {
  padding-left: 24px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 20px 0 0;
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--navy);
  border-radius: 12px;
  padding: 10px 18px;
  color: var(--navy);
  background: #fff;
  font-weight: 800;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: var(--navy);
}

.button:hover {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

.small {
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  padding: 28px 20px;
  color: #cbd5e1;
  background: var(--navy-dark);
  text-align: center;
}

.site-footer p {
  margin: 6px 0;
}

.site-footer a {
  color: #bfdbfe;
}

@media (max-width: 600px) {
  .site-header {
    padding: 20px;
  }

  .hero {
    padding: 38px 0 26px;
  }

  .card {
    padding: 22px 20px;
  }

  .actions,
  .button {
    width: 100%;
  }
}